Wrote letter of 1707-12-06 (AB 274) to Members of the Royal Society
The original manuscript on 12 folio pages, written and signed by Leeuwenhoek, is preserved at the Royal Society (MS. 2069. L.4.18).
A contemporary English translation of the letter is to be found there in manuscript on 14 folio pages (MS 2070. L.4.19).